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MAX1985ETP is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is HIGH-EFFICIENCY WHITE LED DRIVER. Review the specifications below when checking this part for your BOM.
LED Driver IC specifications for MAX1985ETP
- Description：HIGH-EFFICIENCY WHITE LED DRIVER
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Bulk
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：6
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：25mA
- Frequency：1MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-WFQFN Exposed Pad
- Supplier Device Package：20-TQFN-EP (4x4)
- Grade：-
- Qualification：-
LED Driver IC datasheet and documents for MAX1985ETP
LED Driver IC Overview
The MAX1985ETP+ is a high-efficiency white LED driver designed for portable electronics. It operates from a single supply voltage ranging from 2.7V to 5.5V, making it suitable for battery-powered applications. The device integrates a step-up DC-DC converter capable of driving multiple LEDs in series or parallel configurations. It supports PWM dimming for brightness control and features an integrated regulator for precise current regulation. Packaged in a compact 4mm x 4mm thin QFN with 20 leads, it offers a small footprint ideal for space-constrained designs.
LED Driver IC Feature Summary
- Integrates a high-efficiency step-up DC-DC converter for driving white LEDs
- Supports PWM dimming for precise brightness control
- Operates from a wide single-supply voltage range suitable for battery power
- Provides regulated output current for consistent LED performance
LED Driver IC Applications
- Cellular phones
- Digital cameras
- PDAs and Hand-Held PCs
LED Driver IC Procurement Notes
Verify the specific suffix (e.g., +T for tape and reel vs. + for tube) against your assembly requirements. Confirm RoHS compliance status through official Analog Devices documentation. Ensure the package type matches your PCB footprint design. Check for any recent lifecycle notices or obsolescence warnings directly from the manufacturer before finalizing procurement plans.
LED Driver IC Selection Notes
Select this component when designing portable devices requiring efficient white LED backlighting. Consider the input voltage range relative to your battery chemistry. Evaluate the thermal performance within the TQFN package for your specific enclosure constraints. Verify that the PWM dimming frequency aligns with your system's display refresh rates or control signals.
LED Driver IC Part Context
The MAX1985 belongs to the MAX1984/MAX1985/MAX1986 family of ultra-high-efficiency white LED drivers. These components are optimized for portable consumer electronics where power efficiency and small size are critical. They share similar architectural features but may differ in specific current capabilities or configuration options.
LED Driver IC Replacement Considerations
Consult Analog Devices for direct pin-to-pin replacements within the MAX198x family. Verify electrical compatibility if considering third-party alternatives. Ensure substitute components meet the same thermal and efficiency standards required for your application.
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